| ali | BeOS ALI Data |
| ali | DESQview ALI Data |
| ali | Inspect3D Aligned Image Stack |
| ali | Microsoft Dynamics AX Application Label Index |
| ali | MODELLER Alignment PIR Data |
| alic | Atoll License Data |
| align | CWB Aligner Data |
| all | Corel WordPerfect General Printer Data |
| all | Cubase VST Arrangement Backup Data |
| all | OS/2 Warp Program List |
| all | SVAL All Signal Data |
| alm | Alphacam Laser Param Macro |
| alm | SiRFDemo GPS Almanac File |
| almb | Mac OS X Location Manager Module |
| aln | ClustalW2 Alignment Data |
| aln | LexNavigator Database Update Data |
| aln | MODELLER Alignment QUANTA Data |
| alp | Alphacam Laser Post Data |
| alph | Alpheus Data |
| alpha | Gimp RAW Alpha Data |
| alr | ADRIFT Language Resource |
| alr | McAfee VirusScan Enterprise Alert Data |
| als | Pro/ENGINEER Assembly Program Design Data |
| als | PSpice Alias Data |
| alt | Corel WordPerfect Menu Library |
| alt | ReliaSoft ALTA Data |
| alt | Steam ALT Data |
| alt3 | Adobe PageMaker for Mac Template |
| alt4 | Adobe PageMaker for Mac Template |
| alt5 | Adobe PageMaker for Mac Template |
| alt6 | Adobe PageMaker 6 for Mac Template |
| alth | QuickHelp for Mac Data |
| altp | QuickHelp for Windows Data |
| altv | QuickView Help Data |
| alv | Adobe Photoshop Levels Settings |
